Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 328923/HA1

BT4B 328923/HA1

Design

Design variant/feature

TQI

Dimensions

d		406.4	mm
D		590.55	mm
B		434.975	mm
T		381	mm
d₁	≈	486	mm
D₁	≈	561	mm
r_1,2	min.	9.7	mm
r_3,4	min.	1.5	mm

Calculation data

Basic dynamic load rating	C	6930	kN
Basic static load rating	C₀	16600	kN
Fatigue load limit	P_u	1270	kN
Comparative radial load rating	C_F	1860	kN
Comparative axial load rating	C_Fa	294	kN
Thrust factor	K	1.8
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

370

Model Number: BT4B 328923/HA1
Inner Diameter：406.4mm Outer Diameter：590.55mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQI design
Update date：2025-12-09
Application:Medium and large motor,Warehouse Shelf Equipment,die casting mold,rolling mill roll neck and slowdown device,altimeter etc,Insect Count,Special Equipment,ventilation heating equipment,Dental Equipment,hot and cold box,plant determination
Similar models:BT4B 328923/HA1
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30248	240	440	79	Bearings, units and housings
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594648	177.8	-	-	Seals
C 2215 KV	75	130	31	Bearings, units and housings
C 2315 K	75	160	55	Bearings, units and housings
NJ 413	65	160	37	Bearings, units and housings
PCZ 2016 M	31.75	35.71875	25.4	Bearings, units and housings
PSM 455545 A51	45	55	45	Bearings, units and housings
SNL 3240	180	-	-	Bearings, units and housings

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